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Related Experiment Videos

Giant aneurysms in CT and angiography

M Nadjmi, M Ratzka, M Wodarz

    Neuroradiology
    |January 1, 1978
    PubMed
    Summary

    Giant intracranial aneurysms, often found incidentally, can show thrombosis on CT scans, differing from angiogram findings. This study examines CT and angiogram features of these large cerebral aneurysms.

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    Area of Science:

    • Neurology
    • Radiology
    • Vascular Surgery

    Background:

    • Giant intracranial aneurysms (GIAs) are frequently incidental findings.
    • Symptoms like nerve palsy or hemiparesis can be slowly evolving.
    • Thrombosis in GIAs can lead to discrepancies between CT and angiogram volumes.

    Purpose of the Study:

    • To present CT and angiogram findings in cerebral aneurysms with diameters ranging from 25 mm to 60 mm.
    • To discuss the etiology, thrombosis characteristics, and outcomes of GIAs.
    • To evaluate CT findings post-epsilon-aminocaproic acid treatment.

    Main Methods:

    • Retrospective review of CT and angiogram data for patients with GIAs (25-60 mm).
    • Analysis of aneurysm type (congenital, arteriosclerotic).
    • Assessment of thrombosis degree and long-term outcomes after spontaneous thrombosis.

    Main Results:

    • CT scans may overestimate aneurysmal volume due to thrombosis compared to angiograms.
    • Discussion includes various aneurysm types and thrombosis patterns.
    • Long-term results of spontaneous thrombosis and CT findings after epsilon-aminocaproic acid are considered.

    Conclusions:

    • CT and angiograms provide complementary information for evaluating giant intracranial aneurysms.
    • Understanding thrombosis is crucial for accurate assessment and management of GIAs.
    • Further research on treatment outcomes, including epsilon-aminocaproic acid, is warranted.

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